What are the signs of the angular velocity ω and angular acceleration α of the pulley in case (a)? by convention, clockwise rotations are negative and counterclockwise rotations are positive. what are the signs of the angular velocity and angular acceleration of the pulley in case (a)? by convention, clockwise rotations are negative and counterclockwise rotations are positive. ω> 0, α> 0 ω< 0, α> 0 ω> 0, α< 0 ω< 0, α< 0
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Physics, 21.06.2019 19:50
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Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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Physics, 22.06.2019 11:00
A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
Answers: 3
What are the signs of the angular velocity ω and angular acceleration α of the pulley in case (a)?...
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